Number | Date | Country | Kind |
---|---|---|---|
63-226481 | Sep 1988 | JPX | |
63-329086 | Dec 1988 | JPX | |
63-329087 | Dec 1988 | JPX | |
63-329088 | Dec 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4707529 | Hoffman et al. | Nov 1987 | |
4816531 | Young | Mar 1989 | |
4946734 | Sugawara et al. | Aug 1990 | |
4957994 | Urakami et al. | Sep 1990 | |
4959443 | Yamaya et al. | Sep 1990 |
Number | Date | Country |
---|---|---|
521638 | Apr 1982 | AUX |
WO8907627 | Aug 1989 | WOX |
Entry |
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Derwent File Supplier, Japanese Patent Office, JP-A-63 230 728, Mar. 20, 1987. |
Derwent File Supplier, Japanese Patent Office, JP-A-01 045 426, Feb. 17, 1989. |